/*
 * Copyright 2011 Logikas.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.logikas.gwt.webcam.sample.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Widget;
import com.logikas.gwt.webcam.client.Webcam;
import com.logikas.gwt.webcam.client.Webcam.ErrorEvent;
import com.logikas.gwt.webcam.client.Webcam.LoadEvent;

public class WebcamSampleWidget extends Composite {
  
  private static WebcamSampleWidgetUiBinder uiBinder = GWT.create(WebcamSampleWidgetUiBinder.class);

  interface WebcamSampleWidgetUiBinder extends UiBinder<Widget, WebcamSampleWidget> {
  }

  @UiField(provided = true)
  Widget webcamCanvas;
  
  public WebcamSampleWidget() {

    final Webcam webcam = Webcam.get();

    webcam.setShutterSoundEnabled(true);
    webcam.setQuality(90);
    webcam.setShutterSoundEnabled(false);
    webcam.setStealthEnabled(true);
        
    webcam.addWebcamErrorHandler(new Webcam.ErrorHandler() {

      @Override
      public void onWebcamError(ErrorEvent event) {
        Window.alert("There is an error: " + event.getResult());
      }
    });

    webcam.addWebcamLoadHandler(new Webcam.LoadHandler() {

      @Override
      public void onWebcamLoad(LoadEvent event) {
        webcam.configure(Webcam.ConfigurationType.PRIVACY);
      }
    });

    webcamCanvas = webcam.createCurrentCanvas(320, 240);

    initWidget(uiBinder.createAndBindUi(this));
  }
  
  @UiHandler("configure")
  void configure(ClickEvent e) {
    Webcam.get().configure();
  }

  @UiHandler("reset")
  void reset(ClickEvent e) {
    Webcam.get().reset();
  }

  @UiHandler("freeze")
  void freeze(ClickEvent e) {
    Webcam.get().freeze();
  }
}
